(3406) Omsk Main-belt Asteroid
Discovered on 21 February 1969 by B. A. Burnasheva at Nauchnyj.
Where Omsk is today
Seen from above the solar system on 2026-10-14: Omsk is 2.65 au from the Sun and 2.72 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3406 |
| Provisional designation | 1969 DA |
| Orbit class | Main-belt Asteroid |
| Diameter | 16.1 km (#2,878 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.224 |
| Rotation period | 7.28 hours |
| Spectral type | X |
| Absolute magnitude (H) | 12.07 |
| Orbital period | 4.67 years |
| Semi-major axis | 2.80 au |
| Perihelion – aphelion | 2.42 – 3.17 au |
| Eccentricity | 0.133 |
| Inclination | 8.39° |
| Closest distance between its orbit and Earth's (MOID) | 1.42 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.